CN104947498A - Lightweight paper made from high-proportion bamboo pulp and making method of lightweight paper - Google Patents
Lightweight paper made from high-proportion bamboo pulp and making method of lightweight paper Download PDFInfo
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Abstract
The invention discloses a lightweight paper made from a high-proportion bamboo pulp and a making method of the lightweight paper and relates to the papermaking field. The lightweight paper is prepared from a mixed pulp of a chemical bamboo pulp, a mechanical pulp and a long-fiber CTMP pulp in the weight ratio of (50-55): (45-40): (5-10), and the following accessories in percentage by weight: 1.2% of starch, 10% of talcum powder, 0.6%-0.8% of dispersed rosin size, 6%-7% of aluminum sulfate, and 0.2kg/t of polyacrylamide PL1510; in the papermaking process: the indices, such as beating degree and ISO whiteness, of the chemical bamboo pulp and the mechanical pulp before blending are controlled; the following quality indices of the pulp applied to a screen are controlled: pH value of 5.8-6.2, concentration of 0.7-0.9% and beating degree of 47-55degree S. According to the lightweight paper, the high-proportion bamboo pulp is adopted, the raw material range of the lightweight paper is expanded, the product cost is low, the product is pure environmentally friendly and green, and the pollution load is low.
Description
Technical field
The present invention relates to pulp technology for making paper, especially a kind of bamboo pulp at high proportion joins the light paper and pulping method thereof copied.
Background technology
Low weight printing paper is as a kind of novel printing, and because it has higher bulk, deflection, opacity, printability is good, more and more widely for the printing of books and periodicals.The printing paper that current publishing house is used, exhausted major part still uses wood-free paper; Although the high-grade printed matter of part uses light-duty Cultural Paper (cover and agree paper), be also that high price is to external import; According to statistics, China is every year to the two glue printing paper 1,600,000 tons of external import, and 500,000 tons, the light-duty high-grade culture paper of import, covers and agree 300,000 tons, paper, need consume foreign exchange 15,300,000,000 yuan every year.Therefore substitute import wood-free paper and light-duty Cultural Paper with domestic light-duty Cultural Paper, can be country and save a large amount of foreign exchanges.Current domestic production low weight printing paper enterprise is fewer, and the light paper produced of these enterprises is mostly that APMP slurry is joined and copied part needle mechanical pulp and part needle chemical pulp production cost is higher.
Summary of the invention
Problem to be solved by this invention is to provide the bamboo pulp at high proportion that a kind of pollutional load is little, product cost is low and joins the light paper and pulping method thereof copied.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
Slurry is: chemical bamboo pulp, machine slurry and long fiber CTMP starch, and slurry weight is than being chemical bamboo pulp: machine is starched: it is 50 ~ 55:45 ~ 40:5 ~ 10 that long fiber CTMP starches;
Auxiliary material percentage by weight consumption is: starch consumption 1.2%, amount of talc 10%, dispersion rosin size 0.6% ~ 0.8%, aluminum sulfate 6% ~ 7%, polyacrylamide PL1510 0.2kg/t paper.
In technique scheme, scheme can also be more specifically: described dispersion rosin size consumption is the amount added by degree of sizing 0.5mm.
The light paper of such scheme, its pulping method is:
A, slurry are chemical bamboo pulp, machine is starched and long fiber CTMP starches, and slurry weight is than being chemical bamboo pulp: machine is starched: long fiber CTMP slurry is 50 ~ 55:45 ~ 40:5 ~ 10;
The quality index of B, front chemical bamboo pulp with slurry and machine slurry:
Deduction degree: chemical bamboo pulp 30 ~ 35 ° of SR, machine slurry 34 ~ 39 ° of SR, long fiber CTMP starch 35 ~ 40 ° of SR
ISO whiteness: chemical bamboo pulp 80 ~ 84%, machine slurry 65 ~ 70%, long fiber CTMP slurry 68 ~ 75%;
C, supplementary product consumption: starch consumption 1.2%, amount of talc 10%, dispersion rosin size 0.6% ~ 0.8%, aluminum sulfate 6% ~ 7%, polyacrylamide PL1510 0.2kg/t paper;
The quality index of D, online slurry: pH value 5.8 ~ 6.2, concentration 0.7-0.9%, deduction degree 47 ~ 55 ° of SR.
Owing to adopting technique scheme, the present invention compared with prior art, has following beneficial effect:
1, the present invention adopts bamboo pulp at high proportion, and expand the raw material range of light paper, product cost is low.
2, belong to pure environment-friendly and green product, pollutional load is little.
Detailed description of the invention
Below by specific embodiment, the invention will be further described, but the present invention is not limited to these embodiments.
Embodiment 1:
By beat respectively to beating degree be 35 ° of SR, ISO whiteness be 84% chemical bamboo pulp and beating degree be 34 ° of SR, ISO whiteness be 65% machine slurry and beating degree be 40 ° of SR, ISO whiteness be 70% long fiber CTMP starch by 50:45:5 proportioning modulate 5000 kilograms mixing slurry, add 60 kilograms of starch, 500 kilograms of talcum powder, 35 kg.p.m. dispersive rosin sizes, 35 kilo sulfuric acid aluminium and appropriate polyacrylamide are mixed with online slurry, the addition of polyacrylamide is 0.2kg/t paper, dispersion rosin size consumption is the amount added by degree of sizing 0.5mm, online slurry quality index be pH value 5.8, concentration 0.7-0.9%, deduction degree 52 ° of SR, online slurry is produced through 3940mm fourdrinier paper machine.
Embodiment 2:
By beat respectively to beating degree be 30 ° of SR, ISO whiteness is chemical bamboo pulp and 39 ° of SR of 80%, ISO whiteness be 70% machine slurry and beating degree be 35 ° of SR, ISO whiteness be 75% long fiber CTMP starch by 55:40:5 proportioning modulate 5000 kilograms mixing slurry, add 60 kilograms of starch, 500 kilograms of talcum powder, 40 kg.p.m. dispersive rosin sizes, 30 kilo sulfuric acid aluminium and appropriate polyacrylamide are mixed with online slurry, the addition of polyacrylamide is 0.2kg/t paper, dispersion rosin size consumption is the amount added by degree of sizing 0.5mm, online slurry quality index be pH value 6.2, concentration 0.7-0.9%, deduction degree 55 ° of SR, online slurry is produced through 3940mm fourdrinier paper machine.
The paper machine that embodiment 1 and embodiment 2 are applied main technologic parameters of manufacturing paper with pulp is as shown in table 1:
table 1 is manufactured paper with pulp main technologic parameters table
Obtained light paper product quality testing result is as following table 2:
table 2 light paper product quality detects tables of data
As seen from the above table, the present invention utilizes characteristic self-produced full bleaching bamboo pulp to join a certain amount of self-producedization newsprint pulp and develops the well sold and in short supply light paper in market, both considerable economic benefit was brought to enterprise, foreign exchange expenditure can be reduced again, provide polynary subsequent product approach by for bamboo industrialized development in promotion Guangxi District simultaneously.
Claims (3)
1. bamboo pulp joins the light paper copied at high proportion, it is characterized in that:
Slurry is: chemical bamboo pulp, machine slurry and long fiber CTMP starch, and slurry weight is than being chemical bamboo pulp: machine is starched: it is 50 ~ 55:45 ~ 40:5 ~ 10 that long fiber CTMP starches;
Auxiliary material percentage by weight consumption is: starch consumption 1.2%, amount of talc 10%, dispersion rosin size 0.6% ~ 0.8%, aluminum sulfate 6% ~ 7%, polyacrylamide PL1510 0.2kg/t paper.
2. bamboo pulp at high proportion according to claim 1 joins the light paper copied, and it is characterized in that: described dispersion rosin size consumption is the amount added by degree of sizing 0.5mm.
3. bamboo pulp joins a pulping method for the light paper copied at high proportion, it is characterized in that:
A, slurry are chemical bamboo pulp, machine is starched and long fiber CTMP starches, and slurry weight is than being chemical bamboo pulp: machine is starched: long fiber CTMP slurry is 50 ~ 55:45 ~ 40:5 ~ 10;
The quality index of B, front chemical bamboo pulp with slurry and machine slurry:
Deduction degree: chemical bamboo pulp 30 ~ 35 ° of SR, machine slurry 34 ~ 39 ° of SR, long fiber CTMP starch 35 ~ 40 ° of SR;
ISO whiteness: chemical bamboo pulp 80 ~ 84%, machine slurry 65 ~ 70%, long fiber CTMP slurry 68 ~ 75%; ;
C, supplementary product consumption: starch consumption 1.2%, amount of talc 10%, dispersion rosin size 0.6% ~ 0.8%, aluminum sulfate 6% ~ 7%, polyacrylamide PL1510 0.2kg/t paper;
The quality index of D, online slurry: pH value 5.8 ~ 6.2, concentration 0.7-0.9%, deduction degree 47 ~ 55 ° of SR.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510370538.6A CN104947498B (en) | 2015-06-30 | 2015-06-30 | Lightweight paper made from high-proportion bamboo pulp and making method of lightweight paper |
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| CN201510370538.6A CN104947498B (en) | 2015-06-30 | 2015-06-30 | Lightweight paper made from high-proportion bamboo pulp and making method of lightweight paper |
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| CN104947498B CN104947498B (en) | 2017-05-24 |
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Cited By (4)
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|---|---|---|---|---|
| CN105421136A (en) * | 2015-11-10 | 2016-03-23 | 南阳理工学院 | Paper news media |
| CN107503237A (en) * | 2017-10-10 | 2017-12-22 | 枣庄市恒宇纸业有限公司 | A kind of high-grade light paper and its manufacture method |
| CN107724170A (en) * | 2017-10-10 | 2018-02-23 | 枣庄市恒宇纸业有限公司 | A kind of light paper and preparation method thereof |
| CN110904735A (en) * | 2019-12-11 | 2020-03-24 | 泰盛科技（集团）股份有限公司 | Method for making bamboo pulp household paper and household paper |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107503237A (en) * | 2017-10-10 | 2017-12-22 | 枣庄市恒宇纸业有限公司 | A kind of high-grade light paper and its manufacture method |
| CN107724170A (en) * | 2017-10-10 | 2018-02-23 | 枣庄市恒宇纸业有限公司 | A kind of light paper and preparation method thereof |
| CN110904735A (en) * | 2019-12-11 | 2020-03-24 | 泰盛科技（集团）股份有限公司 | Method for making bamboo pulp household paper and household paper |
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| CN104947498B (en) | 2017-05-24 |
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